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Whitefly predation and extensive mesonotum color polymorphism in an Acletoxenus population from Singapore (Diptera, Drosophilidae)

by: Wong, Jinfa; Foo, Maosheng; Tan, Hugh; Meier, Rudolf

Publication date: 2017-12-29
Usage: Attribution 4.0 International
Topics: Acletoxenus, Diptera, Drosophilidae, predatory maggot, Singapore, whitefly
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 725
Item Size: 19.3M

Abstract: Acletoxenus is a small genus of Drosophilidae with only four described species that are closely associated with whiteflies (adults and larvae). Here, the first video recordings of larvae feeding on whiteflies (Aleurotrachelus trachoides) are presented. Typical morphological adaptations for predation by schizophoran larvae are also described: the larval pseudocephalon lacks a facial mask and the cephaloskeleton is devoid of cibarial ridges that could be used for saprophagy via filtration. Despite being a predator, Acletoxenus is unlikely to be a good candidate for biological control of whiteflies because the life cycle is fairly long (24 days), lab cultures could not be established, and the puparia have high parasitization rates by a pteromalid wasp (Pachyneuron leucopiscida). Unfortunately, a confident identification of the Singapore Acletoxenus population to species was not possible because species identification and description in the genus overemphasize coloration characters of the mesonotum which are shown to be unsuitable because the Singapore population has flies with coloration patterns matching three of the four described species. Based on morphology and DNA sequences, the population from Singapore is tentatively assigned to Acletoxenus indicus or a closely related species.
Addeddate: 2025-03-18 22:46:02
Bhl_virtual_titleid: 210914
Bhl_virtual_volume: v.725 (2017)
Call number: 10_3897_zookeys_725_13675
Call-number: 10_3897_zookeys_725_13675
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Genre: article
Identifier: whiteflypredati725wong
Identifier-ark: ark:/13960/s24x2d8gkd4
Identifier-bib: 10_3897_zookeys_725_13675
Identifier-doi: 10.3897/zookeys.725.13675
Ocr: tesseract 5.3.0-6-g76ae
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Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
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Pages: 21
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: ZooKeys 725
Year: 2017